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Truck (rigging)
・ Truck accessory
・ Truck Act 1940
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・ Truck apron
・ Truck art
・ Truck art in South Asia
・ Truck bedliner
・ Truck Busters
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・ Truck classification
・ Truck Dismount
・ Truck Dogs
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Truck (rigging) : ウィキペディア英語版
Truck (rigging)

A truck is a nautical term for a wooden ball, disk, or bun-shaped cap at the top of a mast, with holes in it through which flag halyards are passed.〔Masting and Rigging the Clipper Ship and Ocean Carrier" by Harold A. Underhill ISBN 0-85174-173-8〕 Trucks are also used on wooden flagpoles, to prevent them from splitting.
Without a masthead truck, water could easily seep into the circular growth rings of a wooden mast. However, the grain in the truck is perpendicular to that of the mast, allowing the water to run off it.
==References==


ru:Клотик

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
ウィキペディアで「Truck (rigging)」の詳細全文を読む



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